Cleaning And Maintenance; Burner, Pilot And Control Compartment; Pilot Flame; Burner Flame - Monessen Hearth WDV Wideview WDV500 Installation And Operating Instructions For

WDV Series Gas Fireplace
turn off gas before servicing fireplace. It is
recommended that a qualified service technician
perform these check-ups at the beginning of
each heating season

Burner, pIlOt anD cOntrOl cOMpartMent

Keep the control compartment, stones and burner areas surrounding
the stones clean by vacuuming or brushing at least twice a year. Make
sure the burner porting, pilot air opening and burner air opening are free
of obstructions at all times.

pIlOt FlaMe

The flames from the pilot should be visually checked as soon as the
heater is installed and periodically during normal operation. the pilot
flame must always be present when the fireplace is in operation.
Figure 51. The pilot flame has three distinct flames, one engulfing the
sensor, one engulfing the thermocouple, and the other reaching to the
main burner.
Burner
Inspect area around the injector. Remove any lint or foreign material
with a brush or vacuum.

Burner FlaMe

The flames from the burner should
be visually checked as soon as the
heater i
s installed and periodically during
normal operation. In normal operation, at
full rate, and after operating for about 15
to 30 minutes, the flame should be yellow.
Figure 582
If the flame is blue and candle-like in
appearance, adjust glass or add more
glass over ports.
nOte: The type of installation, vent
system configuration, and wind effects
may cause the flame patterns to vary.
36
Figure 52 -
Burner Flame Appearance

cleanInG anD MaIntenance

Figure 51 -
Pilot Flame
FP2453
hooded pilot flames
FP2436
WDV flame appearance
Sensor
Thermopile
FP453
FP436
78D0011